906126994 has 4 divisors (see below), whose sum is σ = 1359190494. Its totient is φ = 453063496.

The previous prime is 906126989. The next prime is 906126997. The reversal of 906126994 is 499621609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 686702025 + 219424969 = 26205^2 + 14813^2 .

It is a super-2 number, since 2×906126994² = 1642132258510952072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (906126997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226531747 + ... + 226531750.

Almost surely, 2^906126994 is an apocalyptic number.

906126994 is a deficient number, since it is larger than the sum of its proper divisors (453063500).

906126994 is a wasteful number, since it uses less digits than its factorization.

906126994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453063499.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 906126994 is about 30101.9433591919. The cubic root of 906126994 is about 967.6753750906.

The spelling of 906126994 in words is "nine hundred six million, one hundred twenty-six thousand, nine hundred ninety-four".